Ultra Early Seeding
We had the opportunity to have Dr. Brian Beres speak about ultra early seeding on the last day of AG Expo. His results showed that there is a lot of potential to gain yield if you seed based on soil temperature and not the calendar. Below are a few of his thoughts towards what you should be doing and looking for to have success.
If you are thinking about ultra early seeding, best place to start is in the fall the year before with a residual herbicide.
The soil temperature you should check at is 1-2 inches depth at 10 am. If soil is and is 0-2 degrees Celsius, even if it is in February they have had good results. If you have reached that temperature at that time and the soil is fit you can seed regardless if it looks like it may get a little colder in future days.
Disk or shank drills did not seem to make a difference in their research. Fertilizer was put on as normal in the same pass and usually was a 50/50 blend of ESN and 46-0-0.
Throughout his studies he found that having a planting rate of 40 seeds per square foot gives you the best yield advantage overall. Fungicide and insecticide seed treatments are important for the abiotic stress of the cold.
Below is Dr. Brian Beres Ultra Early Seeding Presentation in PDF format:
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Greg Stamp CCA
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